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Old 01-12-2013, 09:30 AM   #1
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Help me with my first bash script

Dear all
I am using a script as this one here to download files from my pc to a remote laptop


rsync -av --rsh='ssh -p9902' aaa@ /home/user/Documents/Paper/

I would like before the execution to inform the user that this will copy the files from the host as above to the current pc and ask for a confirmation from the user.

Is that possible?

Old 01-12-2013, 10:50 AM   #2
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Do you want something like this, when a user invokes the script:-
echo -n "Do you want to copy the file [yes/no]: "; read ans
case $ans in
rsync -av --rsh='ssh -p9902' aaa@ /home/user/Documents/Paper/ ;;
no) echo "Exiting" ;;
*) echo "Wrong choice entered. Exiting"
exit 1;;
Old 01-12-2013, 11:00 AM   #3
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You could do something like this from the command prompt..

# This script will input data from the user

echo "About to upload some files to the server.  Is this OK? (y/n)"

read stuff

if [ "$stuff" == "y" ] ; 
     echo "Starting the Upload..."
     echo "Aborting the Upload..."
- Raj
Old 01-23-2013, 11:24 AM   #4
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Thanks a lot. My script now works.
I would like to ask you, if possible, before rsync syncs the files to the destination make a backup (meaning tar.gz of the folder is going to change). Would that be possible and if yes how?

Old 01-23-2013, 11:31 AM   #5
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You've been a member here for 10 years and have over 2000 posts and don't know how to make a tar ball or read the man page on tar?

tar -zcf /home/user/Documents/Paper_backup.tar.gz /home/user/Documents/Paper
1 members found this post helpful.
Old 01-23-2013, 04:28 PM   #6
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As you had said in your double post, rsync is for syncronizing between target and destination. If it prompted you to overwrite files, the target and destination wouldn't necessarily be syncronized. however, an rsync like clone that does what you're asking can all be scripted in bash using some command line utilities like diff and md5sum to check which files differ as well as mv -i (see -i in the man page).


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